| """Build a deterministic zip of the verified IceCube release directory. |
| |
| usage: python3 -I make_zip.py <release_dir> <out.zip> <manifest.sha256> |
| Entries: every file listed in the manifest, sorted, fixed timestamp, mode 0644. |
| """ |
| import hashlib, sys, zipfile |
| from pathlib import Path |
|
|
| src, out, manifest = Path(sys.argv[1]), Path(sys.argv[2]), Path(sys.argv[3]) |
| want = {} |
| for line in manifest.read_text().splitlines(): |
| digest, name = line.split(None, 1) |
| want[name.strip().removeprefix("./")] = digest |
| on_disk = sorted(str(p.relative_to(src)) for p in src.rglob("*") if p.is_file()) |
| assert on_disk == sorted(want), (set(on_disk) ^ set(want)) |
| with zipfile.ZipFile(out, "w", compression=zipfile.ZIP_DEFLATED, compresslevel=9) as zf: |
| for name in sorted(want): |
| data = (src / name).read_bytes() |
| assert hashlib.sha256(data).hexdigest() == want[name], name |
| info = zipfile.ZipInfo(name, date_time=(2021, 1, 26, 0, 0, 0)) |
| info.compress_type = zipfile.ZIP_DEFLATED |
| info.external_attr = 0o100644 << 16 |
| info.create_system = 3 |
| zf.writestr(info, data, compress_type=zipfile.ZIP_DEFLATED, compresslevel=9) |
| print(out, out.stat().st_size, hashlib.sha256(out.read_bytes()).hexdigest()) |
|
|
